Re: odd smells
It could be synesthesia.. Which is basically like mixed senses. Some people perceive letters and words to be of various colors, I think this is the most common form. But it can also be related to smell, e.g I know a girl that can "smell" music.
It seems like a pretty darn cool disorder to have! I wish I was synesthetic. Although, if I was, it would be normal to me and probably not as cool. Ah well.